diff --git a/packages/ckeditor5/src/plugins.ts b/packages/ckeditor5/src/plugins.ts
index ea68af89d..3310493c0 100644
--- a/packages/ckeditor5/src/plugins.ts
+++ b/packages/ckeditor5/src/plugins.ts
@@ -5,7 +5,7 @@ import UploadimagePlugin from "./plugins/uploadimage.js";
 import ItalicAsEmPlugin from "./plugins/italic_as_em.js";
 import StrikethroughAsDel from "./plugins/strikethrough_as_del.js";
 import InternalLinkPlugin from "./plugins/internallink.js";
-import InsertDateTimePlugin from "./plugins/insertDateTime.js";
+import InsertDateTimePlugin from "./plugins/insert_date_time.js";
 import ReferenceLink from "./plugins/referencelink.js";
 import RemoveFormatLinksPlugin from "./plugins/remove_format_links.js";
 import IndentBlockShortcutPlugin from "./plugins/indent_block_shortcut.js";
diff --git a/packages/ckeditor5/src/plugins/insertDateTime.ts b/packages/ckeditor5/src/plugins/insert_date_time.ts
similarity index 100%
rename from packages/ckeditor5/src/plugins/insertDateTime.ts
rename to packages/ckeditor5/src/plugins/insert_date_time.ts